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<title>公式测试</title>
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    <h1>FFMXx</h1>
    <h1>因子分解机FMM</h1>
    <h1>\(\alpha+\beta=\gamma\)</h1>
    <h1>\hat{y}=\omega_{0}+\sum_{i=1}^{n} \omega_{i} x_{i}+\sum_{i=1}^{n} \sum_{j=i+1}^{n}<V_{i}, V_{j}>x_{i} x_{j}</h1>

    <h1>\(\hat{y}=\omega_{0}+\sum_{i=1}^{n} \omega_{i} x_{i}+\sum_{i=1}^{n} \sum_{j=i+1}^{n}<V_{i}, V_{j}>x_{i} x_{j}\)</h1>

    <h1>$$\hat{y}=\omega_{0}+\sum_{i=1}^{n} \omega_{i} x_{i}+\sum_{i=1}^{n} \sum_{j=i+1}^{n}<V_{i}, V_{j}>x_{i} x_{j}$$</h1>


    
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